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0.3 Carat Diamond Ring
Design the Ideal 0.3 Carat Diamond Ring - Explore our popular and modern-classic ring styles to find the perfect 0.3 carat diamond that completes your vision.
Scroll through our diamond rings designs to find your dream 0.3ct diamond engagement ring. You can use the filters on the left to navigate through the options we have available.
Search through our diamond inventory, featuring over 100,000 natural loose diamonds and lab-gown diamonds, meaning you can find the perfect diamond for your ring, no matter your budget.
All our loose diamonds are available to view in our London Mayfair showroom. Our workshop is located in Hatton Garden, and all our jewellery is handmade in-house. Simply book an appointment or call us now!
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Madeline Design Emerald Cut and Tapered Baguettes Channel Setting Diamond Engagement Ring From £2400 -
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Exploring 0.3 Carat Diamond Rings
Rings featuring a 0.3 carat diamond stand out magnificently, offering a substantial and visually impressive gem. The impact of a 0.3 carat diamond on an engagement ring varies with the design - a solitaire setting might present a more subtle elegance, while a halo setting can create a more striking and bold appearance.
Engagement rings with a 0.3 carat diamond are slightly larger than the average size and have gained popularity, especially with the rise of lab-grown diamonds which are more affordable per carat. The dimensions of a round 0.3 carat diamond are typically about 4.3-4.5mm, and for elongated shapes like an oval diamond, it's closer to 5.2-5.8mm.
Ring Styles
Contemporary yet timeless designs.
You're aiming for a ring that never goes out of style, and we totally understand. In our collection, you'll find rings that go beyond fleeting fashions, look amazing from all sides, and are crafted to endure for years to come.
Filter your search by our best engagement ring styles:
Our Diamonds
Certified & Ethically sourced
Discover the contemporary method for selecting loose diamonds for your engagement ring, featuring authentic 360-degree videos and sophisticated search filters. Whether you seek a synthetic or natural centerpiece, explore our meticulously curated selection of certified diamonds, all responsibly sourced to ensure quality and integrity.
Outstanding Quality
Handmade for you
At Reve Diamonds, we create engagement rings tailored specifically for you and your significant other, with every piece made to order. Our in-house workshop and skilled production team dedicate themselves to meticulously crafting your ring, paying close attention to every detail until it meets our stringent quality control standards. Our craftsmanship and finish stand out, offering unparalleled excellence. Included with every ring we make is a comprehensive package: a manufacturer's warranty, complimentary servicing, free resizing, and lifetime cleaning, all part of our commitment to you. Additionally, we provide a Lifetime Care Package, ensuring ongoing support and care for your special piece.
Frequently Asked Questions
Learn About 0.3ct Diamond Rings
Customer Support
Have more questions? Don't worry, we're here to assist you throughout the process.
How much does a 0.3 carat diamond ring cost?
A 0.3-carat diamond ring from Reve Diamonds, featuring white colour and good clarity, such as a Round lab-grown F VS2, starts at approximately £1500. However, the price can vary significantly depending on whether you opt for a lab-grown or a natural diamond. For instance, a similar ring with a natural diamond could cost between £1800 and £2200.
It's important to note that fancy shapes other than round diamonds, like Cushion, Oval, Pear, Radiant, etc., tend to be more affordable for the same colour, clarity, and carat size.
Be aware that diamond prices are subject to fluctuations as the global diamond market trades in US Dollars. Therefore, the prices mentioned should be considered as guide prices, accurate at the time of writing.
How big is a 0.3ct diamond in mm?
A round 0.3-carat diamond typically measures about 4.3mm in diameter. There might be slight variations based on the diamond's cut proportions, but this measurement can generally be used as a rough guide to envision the size of a 0.3ct diamond on your finger. Elongated shapes, such as oval diamonds, tend to look larger because the carat weight is spread over a greater surface area.
How big is a 0.3ct pear diamond in mm?
The size of a 0.3-carat pear-shaped diamond can vary slightly depending on its cut and length-to-width ratio. On average, a 0.3-carat pear diamond typically measures about 5.5mm in length and 3.5mm in width. However, these dimensions can vary slightly based on the diamond's specific proportions and cut quality.
Is a 0.3 carat engagement ring too small?
Whether a 0.3-carat engagement ring is considered "too small" is largely subjective and depends on personal preference, lifestyle, and the size of the wearer's hand.
Here are some points to consider:
Personal Preference: Some people appreciate the subtle and discreet elegance of a 0.3-carat diamond, while others may prefer a more prominent stone.
Hand and Finger Size: On smaller hands or fingers, a 0.3-carat diamond can appear delicate and proportionate, while it might seem more understated on larger hands.
Lifestyle and Comfort: A 0.3-carat ring is often ideal for those with an active lifestyle or who do a lot of work with their hands, offering a balance of unobtrusiveness and beauty.
Social and Cultural Context: In many settings, a 0.3-carat diamond ring is considered a modest and tasteful choice, often chosen for its understated charm.
Ultimately, the "right" size for an engagement ring should be based on what feels right for the individual or couple, considering all these factors.
How popular are 0.3ct engagement rings?
Approximately 35% of individuals opt for a 0.3-carat engagement ring. This size is popular for its affordability and discreet elegance. It's a common choice for those who prefer a more modest ring, or as a starter engagement ring, with the possibility of upgrading to a larger stone in the future.
Customer Support
Have more questions? Don't worry, we're here to assist you throughout the process.
Book a 1-on-1 Consultation with a Diamond Jewellery Expert in London
Purchasing a piece of diamond jewellery is a big decision, and we understand that you want to make sure you are making the right choice. That's why we offer virtual and in-person consultations to help you make an informed decision.
Our team of experienced design consultants can connect with you remotely and guide you through the process. They will answer any questions and help you find the perfect piece of jewellery that suits your style and budget.
